Asked by Anonymous

What is the reference angle for θ = -195 degrees? Is it 75 degrees?
Answered by MathMate
A reference angle is the positive acute angle between an angle and the horizontal axis.
For the different possible cases, see:
http://www.mathwarehouse.com/trigonometry/reference-angle/finding-reference-angle.php
Answered by Anonymous
So is it 15 degrees?
Answered by Steve
that is correct.